33results about How to "Solve the jam situation" patented technology

The invention discloses a production optimization scheduling device based on steelmaking and continuous casting. The bottom end is provided with a detection mechanism, the middle part of the top of the conveyor belt is provided with a dividing mechanism, and the inside of the adjustment mechanism is provided with a cooling mechanism. The adjustment mechanism includes a fixed frame, a hydraulic cylinder, a rotating rod, a fixed rod, a sliding groove, and a support , rubber pad, fixed frame and transmission belt. Through the cooperation between the adjusting mechanism and the dividing mechanism, the present invention is convenient for the staff to separate the waste steel from the steel, thereby solving the problem that the continuous casting equipment is difficult to separate the waste steel from the steel during use. The phenomenon of steel separation, through the cooperation between the adjustment mechanism and the receiving mechanism, solves the problem that the staff cannot collect the waste steel during the use of the continuous casting equipment.

The invention relates to a main-auxiliary cavity type garbage jamming prevention device of an electric sweeper truck. The main-auxiliary cavity type garbage jamming prevention device comprises cavities formed in a frame, wherein the cavities include a main cavity, a jamming prevention guide wheel is installed in a main cavity body and comprises a left impeller, a middle impeller and a right impeller, the impellers are installed on impeller shafts, the impeller shaft of the left impeller and the impeller shaft of the right impeller are respectively installed on the main cavity body, and conveying blades are installed on the impellers. The left end and the right end of the main cavity are opened and are also communicated with two auxiliary cavities, a screen guiding wheel is installed in the left-side auxiliary cavity and is installed on a screen guiding wheel impeller shaft, two ends of the screen guiding wheel impeller shaft are installed on the auxiliary cavity on the left side, and screen blades are installed on the screen guiding wheel. The main-auxiliary cavity type garbage jamming prevention device utilizes the jamming prevention guide wheel installed in the main cavity to cut, transport and guide garbage and meanwhile utilizes the screen guiding wheel in the left-side auxiliary cavity to convey the garbage and filter dust. The problem that strip-shaped flexible garbage blocks a garbage channel in the garbage sweeping process can be solved.

The invention discloses a cooling-type needle valve coupling with a carbon deposition prevention effect. The cooling-type needle valve coupling comprises a needle valve body and a needle valve, which are assembled with each other. The needle valve is assembled in a valve chamber which is machined in the needle valve body; an annular clearance passage, through which a high pressure fuel passes, is formed between the outer circumference of the lower rod body of the needle valve and the inner wall of the valve chamber; and the annular clearance passage is communicated with an oil inlet passage. The cooling-type needle valve is characterized in that a cooling water jacket is fixedly mounted to the lower part of the needle valve body, a cooling chamber is formed between the cooling water jacket and the needle valve body, the needle valve body is provided with at least one group of cooling annular passages, the cooling annular passages are communicated with the cooling chamber, the opening at the two ends of each cooling annular passage are formed in the upper surface of the needle valve body; at least two jet holes are formed in the front end of the needle valve body and are communicated with the annular clearance passage. The cooling-type needle valve coupling has the advantages of smart structure, good performance, low oil consumption, less carbon deposition in the nozzle and long service life and can meet the needs for oil-fuel injector needle-valve couplings in marine diesel engines.

The invention relates to an anti-clogging conveying pipe structure and an anti-clogging method for viscous material pneumatic conveying, comprising horizontal pipes and longitudinal pipes arranged at intervals in sequence, there is an elbow between the horizontal pipes and the longitudinal pipes, the horizontal pipes, the longitudinal pipes The delivery pipe is formed integrally with the bent pipe, the horizontal pipe, the longitudinal pipe and the bent pipe all include an aluminum alloy outer pipe body and a rubber inner pipe body, there is a gap between the aluminum alloy outer pipe body and the rubber inner pipe body, and the aluminum alloy The connection between the outer tube body and the rubber inner tube body is realized through a plurality of sealing rings distributed at equal intervals, and also includes a controllable vibration blowing mechanism arranged along the extending direction of the delivery tube. The invention has the following advantages: effectively solving the wear and blockage of the inner wall of the straight pipe part and the bent pipe part, and ensuring the structural strength of the conveying pipe.

The invention discloses a sand screening device for construction, which relates to the technical field of construction machinery, specifically a sand screening device for construction, including a fixed bin, a hopper, a reset rod, a screening device, a pressing rod, a guide plate, The first bearing, the roller, the second bearing, the transmission pipe, the bevel gear, the drainage pipe, the fixed rod, the electric motor, the connecting rod, the transmission rod and the stabilizer. The sand screening device for construction can lock the first fixed frame and the second fixed frame through the locking device, which can effectively prevent the second fixed frame from shifting during screening and cause uneven screening. The locking device can The misalignment adjustment of the first screen and the second screen allows the sand screening device to filter sand of various specifications, which can effectively enhance the scope of application of the sand screening device and solve the problem of existing sand screening devices. The ability to sieve sand with a fixed size makes the application range of the sand sieving device small.

The invention discloses a feed crushing and stirring device for animal husbandry, which comprises a crushing and stirring device body. A crushing bin is provided, a second spring telescopic rod is provided on one side of the crushing bin, a sliding partition is provided at one end of the second spring telescopic rod, a roller is provided at one end of the sliding partition, and the crushing and stirring A rotary motor is provided on one side of the device body, a second pulley is provided on one side of the rotary motor, a first crushing roller is provided on one side of the second pulley, and a fourth gear is provided at one end of the first crushing roller , the second pulley is connected to the first pulley through a belt, thereby driving the second stirring shaft to rotate, and the meshing connection between the first gear and the second gear drives the first stirring shaft to reversely rotate and stir, thereby improving the stirring efficiency.

The invention discloses a bract-discharging and corn-recycling device of a corn husker. The bract-discharging and corn-recycling device comprises a screening device, a pushing device and a control device, wherein the screening device comprises a vibration pulley, a recycling bin, a steel wire net and a vibration shaft; a motor drives the vibration pulley; the vibration shaft drives a cam; a cylindrical shifting shaft is arranged on the cam; the shifting shaft shifts a guide groove, so that the steel wire net connected with the guide groove is driven to vibrate; the pushing device comprises a stepping motor and a pushing rod; the stepping motor is connected with a screw rod and drives the screw rod to rotate, so that a nut slide block is pushed, and then the pushing rod pushes a pushing plate to move forward; a machine body and the pushing plate are connected by S-shaped rubber skin. Bracts husked by the bract-discharging and corn-recycling device fall onto the steel wire net under the action of gravity, corns kernels falling in a husking process fall in the recycling bin, and the stepping motor drives the screw rod to rotate to push the bracts out, so that the phenomenon that the bracts block at a discharging opening is reduced, contact between people and equipment is reduced, the bract-discharging and corn-recycling device is simple in structure and high in safety factor, and personal safety can be fully protected.

The invention discloses an anti-clogging cutterhead nozzle, which solves the technical problem that the cutterhead nozzle is prone to blockage. The invention comprises a cylinder communicated with the injection port on the front panel of the cutter head, the cylinder communicates with the liquid supply pipe, a shaft is arranged in the inner cavity of the cylinder, and a weight is arranged at the rear end of the shaft. The shaft rod is connected to the non-center of gravity of the weight, and a sealing structure is provided between the weight and the inner cavity of the barrel, and the outer cover of the weight is covered with a protective shell whose inner cavity is larger than the rotation space of the weight. The invention can realize the self-rotation of the cutter head with the relative rotation of the shaft rod, so as to achieve the effect of the shaft rod and the blade stirring the clogged muck inside the nozzle, effectively solve the situation that the cutter head nozzle is blocked during the excavation process, and ensure the safety of the cutter head of the roadheader. Normal excavation, thereby reducing the phenomenon of mud cake and gushing on the cutter head, and reducing tool wear.

The invention provides a feeding venturi for a 3D (three-dimensional) printer. The feeding venturi comprises a radiating outer tube and a polytetrafluoroethylene inner tube embedded in the radiating outer tube; a feeding passage for enabling a printing material to pass through is formed in the polytetrafluoroethylene inner tube. According to the feeding venturi, by the polytetrafluoroethylene inner tube, the condition that the PLA (Poly Lactic Acid) printing material is blocked in the venturi is prevented and stability and smoothness of wire output of a heating printing head, so that surface quality of a printed model is improved; a feeding structure is simple and reliable, is low in cost and is suitable for popularization and application.